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Chemistry Unit 1
5 - Solid Structures
Ionic Crystal Lattice
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Caesium Chloride
AS > Chemistry Unit 1 > 5 - Solid Structures > Ionic Crystal Lattice
3 cards
Sodium Chloride
AS > Chemistry Unit 1 > 5 - Solid Structures > Ionic Crystal Lattice
3 cards
Cards (12)
An
ionic
crystal lattice is an array of
oppositely
charged
ions
held in
fixed
positions by
strong electrostatic
forces
Hard
and
brittle
due to strong
electrostatic
forces between
oppositely
charged ions
High
melting and
boiling
points as
lots
of
energy
is needed to break the
strong
electrostatic forces
Can
conduct electricity when
molten
or
in solution
, as
ions
are free to move
Cannot
conduct electricity when
solid
as
ions
are held in
fixed
positions
Caesium
ions are much
larger
than
sodium
ions so more
chloride
ions can
fit
around it
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